Security Document Carrier Layout for Multi-Angle Tilt Image Processing
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Solution Overview
Problem
Existing document processing systems for security documents, such as identification cards and credit cards, are inefficient and costly when applying multiple tilt images or changing the orientation of mirror arrangements to apply different types of tilt images.
Innovation Solution
A document processing system with a document carrier device that can move in two spatial directions, allowing for the application of visible elements, including tilt images, at various positions without changing the mirror arrangements. The system includes two mirror arrangements offset by 90 degrees to apply both MLI and CLI tilt images without system conversion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the mirror arrangement is converted (position and/or orientation change) to apply different types of tilt images, then the ability to apply MLI and CLI tilt images is improved, but the processing time increases and system complexity increases
Solution Approach 1:
The document carrier device is made movable in two spatial directions (x and y axes) to dynamically reposition documents under the fixed mirror arrangement. This dynamic positioning capability allows the same mirror arrangement to apply different types of tilt images (MLI and CLI) by changing the document's position rather than changing the mirror arrangement itself, thereby reducing processing time and system complexity.
Solution Approach 2:
The movement capability in two spatial directions is segmented into independent x and y axis movements. This segmentation allows precise control of document positioning to achieve the required angular orientations for different tilt image types without requiring complex mirror conversion mechanisms.
2Adaptability or versatility
If the mirror arrangement is converted to apply different types of tilt images, then the ability to apply MLI and CLI tilt images is improved, but the system cost increases
Solution Approach 1:
Instead of providing multiple fixed mirror arrangements for different tilt image types, the system uses a single fixed mirror arrangement combined with a dynamically movable document carrier. This reduces system complexity and cost by eliminating the need for multiple mirror conversion mechanisms while maintaining the ability to apply both MLI and CLI tilt images through document repositioning.
Solution Approach 2:
The single mirror arrangement is designed to be universal, capable of applying both MLI and CLI tilt images by processing documents at different positions. The document carrier device's two-directional movement capability enables this multi-functionality, allowing one mirror arrangement to perform the work of what would traditionally require multiple specialized arrangements.
3Adaptability or versatility
If documents are removed from the system to convert mirror arrangements, then the ability to apply different tilt images is improved, but the productivity decreases
Solution Approach 1:
The document carrier device enables continuous processing by dynamically repositioning documents in two spatial directions while they remain in the system. This eliminates the need to remove documents for mirror conversion, maintaining continuous production flow and high productivity while still enabling application of different tilt image types through position-based differentiation.
Solution Approach 2:
The system maintains continuous useful action by keeping documents in the processing system throughout. The movable document carrier allows different tilt images to be applied to different documents or different positions without interrupting the overall processing flow, ensuring continuous productivity while maintaining versatility.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient and cost-effective processing of security documents by allowing multiple tilt images to be applied at different positions without the need for costly system conversions or removal of documents, improving handling and quality of security features.
Implementation Method 1
at least one first mirror arrangement (21) which is designed to direct the radiation emitted by the radiation source onto the document in each case at a first defined angle and/or from a first defined direction
Data Source
AI summary
The present invention relates to a device for processing documents (document processing system), in particular security documents. The document processing system according to the invention comprises at least one document carrier device with a document receptacle configured to receive and transport a document to be processed, and a document processing device configured to process the document in a specific processing area, wherein the document carrier device is configured to move the document in two spatial directions.